Printronic Remanufactured Ink Cartridge Replacement for HP 950 and HP 951(1 Black, 1 Cyan, 1 Magenta, 1 Yellow) - OfficeJet Pro 8100 8600 Brand: Printronic Individually factory sealed with Printronic labeling Remanufactured under strict standards One year factory warranty against product defect **PLEASE BE AWARE THAT DUE TO PRINTER PROGRAMMING THE INK LEVEL FOR THIS PARTICULAR CARTRIDGE MIGHT DISPLAY EMPTY ON THE PRINTER HOWEVER THE CARTRIDGE IS FULL**